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Power management

Power management

Power management forum

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Texas Instruments (TI) Power management support forum is an extensive online knowledge base where millions of technical questions and solutions are available 24/7. You can search power management IC content or ask technical support questions on everything from linear and DC/DC switching regulators to battery management and LED drivers. Find the right solution for your circuit design challenges by using our TI E2E™ support forums that are supported by thousands of contributing TI experts.
Frequent questions
  • [FAQ] TPS650330-Q1: How can I get design documents for TPS65033xx-Q1 devices?

    Phil Yi
    Phil Yi
    Part Number: TPS650330-Q1 The design documents (datasheets and TRM) are on TI MySecure folder. Customers can request access from the link below: www.ti.com/.../swlicexportcontrol.tsp Once approved, design documents can be accessed from the link…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ4050: FAQ Home Page

    Jose Couso
    Jose Couso
    Part Number: BQ4050 FAQs How to enter UNSEAL or FULL ACCESS modes after sealing the gauge? How long does the voltage on the PACK pin need to be applied to wake-up the gauge? What are the differences between hardware and firmware protections? …
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] What are the advantages to using Totem Pole PFCs in power supply applications?

    William Moore
    William Moore
    Other Parts Discussed in Thread: UCC27517A , UCC21551 , UCC27714 When looking for a power supply for an AC/DC system, high efficiency, high power factor (PF) and low power line harmonics are all of major concern. This article will take a look at power…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why does SOC drop from 100% after full charge?

    Wyatt Keller
    Wyatt Keller
    The gauge takes an OCV measurements periodically when in relaxation and then uses this measurement to recalculate the remaining capacity and full charge capacity. If there is a change in conditions, like temperature, or every 5 hours in relaxation mode…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status register not updating from 5 to 6?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x05 to 0x06. This transition indicates that the gauge has updated the…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ27Z561 FAQs

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQ27Z561 , BQ27Z561-R2 , BQ27Z561-R1 BQ27Z561 FAQ Home Page This is the home page for common questions in relation to the BQ27Z561, BQ27Z561-R1, and BQ27Z561-R2. FAQs Related FAQ home pages: Impedance Track FAQ…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Why is the Update Status not updating from 4 to 5?

    Wyatt Keller
    Wyatt Keller
    Other Parts Discussed in Thread: BQSTUDIO One of the most common problems when trying to complete the learning cycle is having the Update Status (Learned Status) not transition from 0x04 to 0x05. For this to happen, there must be at least a 90% change…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] Thermal Dissipation from an LDO Perspective

    McKyla Beuttler
    McKyla Beuttler
    Other Parts Discussed in Thread: TPS7B86-Q1 , TPS745 One commonly misunderstood topic regarding low dropout regulators (LDOs) is thermal dissipation. LDOs drop the input voltage using a FET in order to achieve the desired output rail. This power dissipates…
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] BQ24800: What is the maximum duty cycle of BQ24800? Can this duty cycle support my input adapter voltage?

    Alec Lehman
    Alec Lehman
    Part Number: BQ24800 Other Parts Discussed in Thread: BQ24780S Customers are often interested in knowing the max duty cycle of the buck converter so they can estimate the max output voltage of the charger at different input voltages. The max duty cycle…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
  • [FAQ] TPSF12C1 and TPSF12C3 power-supply filter IC FAQs

    Timothy Hegarty
    Timothy Hegarty
    Other Parts Discussed in Thread: TPSF12C1 , TPSF12C3 Part Numbers: TPSF12C1/3/-Q1 TPSF12C1/-Q1 and TPSF12C3/-Q1 FAQ home page This is the home page for common questions and collateral resources related to the TI's new family of power-supply filter…
    • Answered
    • over 2 years ago
    • Power management
    • Power management forum
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  • Not Answered

    TPS65987DDK: USB-IF certification TEST.PD.PROT.ALL3.3 & 3.4 0

    21 views
    1 reply
    Latest 2 days ago
    by Chris Sterzik
  • Not Answered

    TPS546D24A: LOGIC_CORE_ERROR SYNC_FAULT During 2Phase operation, TPS546D24S unaffected 0

    145 views
    9 replies
    Latest 2 days ago
    by Tomoya Ide
  • Suggested Answer

    LM25011MY-EVAL: DC to DC converter circuit validate 0

    35 views
    4 replies
    Latest 2 days ago
    by Frank De Stasi
  • Suggested Answer

    UCC2808-1: Isolation power design 0

    39 views
    3 replies
    Latest 2 days ago
    by Hong Huang
  • Not Answered

    TPS65987D: TPS65987D Alternate Mode: Screen not powering on when in source mode, however works with a DP to HDMI dongle 0

    29 views
    1 reply
    Latest 2 days ago
    by Chris Sterzik
  • Not Answered

    LM63635-Q1: Please confirm the output current of PGOOD pin. 0

    37 views
    3 replies
    Latest 2 days ago
    by Frank De Stasi
  • Not Answered

    TPS560430: EMC help 0

    38 views
    6 replies
    Latest 2 days ago
    by Frank De Stasi
  • Suggested Answer

    LM5013-Q1: Technical question 0

    54 views
    4 replies
    Latest 2 days ago
    by ARPITA NATH
  • Not Answered

    TPS22810: VIN Dependence of the Thermal‑Shutdown Threshold 0

    17 views
    1 reply
    Latest 2 days ago
    by Amrit Jit
  • Not Answered

    TPS51275C: Temperature rating list as 125C MAX but not in datasheet. 0

    26 views
    2 replies
    Latest 2 days ago
    by Jacen Schaedler
  • Not Answered

    TPS65223-Q1: pmic not powering up. 0

    43 views
    8 replies
    Latest 2 days ago
    by bob moss
  • Not Answered

    BQ27546-G1: For I2C drivers 0

    17 views
    1 reply
    Latest 2 days ago
    by Alan Frias
  • Not Answered

    TIDM-PSFB-DCDC: Recommend DCDC 0

    25 views
    1 reply
    Latest 2 days ago
    by Shamim Choudhury
  • Not Answered

    BQ27520-G4: A learning cycle for creating a golden image 0

    14 views
    1 reply
    Latest 2 days ago
    by Alan Frias
  • Suggested Answer

    BQ40Z50-R2: SOC tolerance 0

    18 views
    1 reply
    Latest 2 days ago
    by Alan Frias
  • Not Answered

    TPS2595: eFuse 0

    39 views
    2 replies
    Latest 2 days ago
    by Muhammad Rashid Siddique
  • Not Answered

    BQ27Z746: protector configuration is modified in protector hardware registers after device has already been programming. 0

    15 views
    1 reply
    Latest 2 days ago
    by Alan Frias
  • Not Answered

    BQ40Z50-R1: How to improve when the health level of BQ40Z50 is low? 0

    14 views
    1 reply
    Latest 2 days ago
    by Alan Frias
  • Not Answered

    BQ40Z50-R1: BQ40Z50 R1 discharged to 0% cannot be charged 0

    16 views
    1 reply
    Latest 2 days ago
    by Alan Frias
  • Not Answered

    BQ78Z100: CHG and DSG FETs not enabling or disabling from BQStudio 0

    21 views
    1 reply
    Latest 2 days ago
    by Alan Frias
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